{"id":"CVE-2019-9621","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-9621","generatedAt":"2026-10-27T20:19:14.084Z","title":"Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery (SSRF) Vulnerability","description":"Zimbra Collaboration Suite before 8.6 patch 13, 8.7.x before 8.7.11 patch 10, and 8.8.x before 8.8.10 patch 7 or 8.8.x before 8.8.11 patch 3 allows SSRF via the ProxyServlet component.","published":"2019-04-30T18:29:09.000Z","lastModified":"2026-06-17T02:44:03.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-918"],"affected":["synacor/zimbra collaboration suite"],"epss":{"score":0.81037,"percentile":0.99628,"date":"2026-10-26","history":[]},"kev":{"listed":true,"dateAdded":"2025-07-07","dueDate":"2025-07-28","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nhttps://wiki.zimbra.com/wiki/Zimbra_Security_Advisories ; https://wiki.zimbra.com/wiki/Security_Center ; https://nvd.nist.gov/vuln/detail/CVE-2019-9621"},"exploits":{"count":2,"verified":true,"firstPublished":"2019-04-12","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":46967,"kind":"exploit","title":"Zimbra < 8.8.11 - XML External Entity Injection / Server-Side Request Forgery","url":"https://www.exploit-db.com/exploits/46967","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/jsp/webapps/46967.py","file":"exploits/jsp/webapps/46967.py","published":"2019-06-05","added":"2019-06-05","updated":"2019-06-05","author":"k8gege","type":"webapps","platform":"jsp","port":null,"verified":false,"codes":["CVE-2019-9621"],"tags":"Server-Side Request Forgery (SSRF)","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null},{"edbId":46693,"kind":"exploit","title":"Zimbra Collaboration - Autodiscover Servlet XXE and ProxyServlet SSRF (Metasploit)","url":"https://www.exploit-db.com/exploits/46693","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/remote/46693.rb","file":"exploits/linux/remote/46693.rb","published":"2019-04-12","added":"2019-04-12","updated":"2019-04-12","author":"Metasploit","type":"remote","platform":"linux","port":8443,"verified":true,"codes":["CVE-2019-9670","CVE-2019-9621"],"tags":"Server-Side Request Forgery (SSRF)","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/zimbra_xxe_rce.rb"}]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 28 July 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/153190/Zimbra-XML-Injection-Server-Side-Request-Forgery.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://blog.tint0.com/2019/03/a-saga-of-code-executions-on-zimbra.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://blog.zimbra.com/2019/03/9826/","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://bugzilla.zimbra.com/show_bug.cgi?id=109127","tags":["Issue Tracking"],"source":"cve@mitre.org"},{"url":"https://wiki.zimbra.com/wiki/Security_Center","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/46693/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/153190/Zimbra-XML-Injection-Server-Side-Request-Forgery.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://blog.tint0.com/2019/03/a-saga-of-code-executions-on-zimbra.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://blog.zimbra.com/2019/03/9826/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.zimbra.com/show_bug.cgi?id=109127","tags":["Issue Tracking"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wiki.zimbra.com/wiki/Security_Center","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/46693/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9621","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-9621","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}